... card 1000 Base-T Gigabit Ethernet ExpressCard,1000 Base-T 1-port Ethernet, ExpressCard, PC card, computer ... Ethernet interfaceRJ-45 Port x 1Compatible with IEEE 802.3,802.3ab,802.3u,802.3x,802.1q,VLANSupport 10/100 ... /1000 Base-T with Auto-NegotiationAutomatic crossover detection and correction supportedSystem RequirementNotebook with an ExpressCard 54/34mm slotSupported OSIncludedGigabit Ethernet ...